Home / 25,788.10-38,682.18-7,068.30

Finding the Fourth Proportional to 25,788.10, 38,682.18 and 7,068.30

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Solution

The fourth proportional to 25,788.10, 38,682.18 and 7,068.30 is: 10,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.10 : 38,682.18 = 7,068.30 : x
  2. Step 2: Convert to fraction form
    25,788.10/38,682.18 = 7,068.30/x
  3. Step 3: Cross multiply
    25,788.10x = 38,682.18 × 7,068.30
  4. Step 4: Simplify right side
    25,788.10x = 273,417,252.89
  5. Step 5: Solve for x
    x = 273,417,252.89/25,788.10
  6. Step 6: Final answer
    x = 10,602.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.